The buyer should return the product in the original conditions to
us and should

bear the shipping costs for return.

Question and answer

is ozone harmful to human body ?Once the ozone concentration fails to meet the hygiene and safety
standard,we can notice with our sense of smell and dodge away or take
actions to avoidfurther leakage.So far there is no one death reported caused by ozone poisoning.

Does the ozone generator work efficently ?Undeniably, ozone can sterilize and remove odor and formaldehyde.It is reported that ozone is a widely used bactericide. It can kill
escherichia coli,bacteria efficently and resolve the harmful material in a short
time.